<?php

/**
 * This is the model class for table "Uso".
 *
 * The followings are the available columns in table 'Uso':
 * @property integer $ID_USO
 * @property string $TX_DESCRICAO
 */
class Uso extends CActiveRecord {

    /**
     * Returns the static model of the specified AR class.
     * @return Uso the static model class
     */
    public static function model($className=__CLASS__) {
        return parent::model($className);
    }

    /**
     * @return string the associated database table name
     */
    public function tableName() {
        return 'Uso';
    }

    /**
     * @return array validation rules for model attributes.
     */
    public function rules() {
        // NOTE: you should only define rules for those attributes that
        // will receive user inputs.
        return array(
            array('TX_DESCRICAO', 'required'),
            array('TX_DESCRICAO', 'length', 'max' => 50),
            // The following rule is used by search().
            // Please remove those attributes that should not be searched.
            array('TX_DESCRICAO', 'safe', 'on' => 'search'),
        );
    }

    /**
     * @return array relational rules.
     */
    public function relations() {
        // NOTE: you may need to adjust the relation name and the related
        // class name for the relations automatically generated below.
        return array(
            'alocacaos' => array(self::HAS_MANY, 'Alocacao', 'ID_USO'),
            'ambientes' => array(self::MANY_MANY, 'Ambiente', 'ambiente_uso(ID_AMBIENTE, ID_USO)'),
        );
    }

    /**
     * @return array customized attribute labels (name=>label)
     */
    public function attributeLabels() {
        return array(
            'ID_USO' => 'Código',
            'TX_DESCRICAO' => 'Uso',
        );
    }

    /**
     * Retrieves a list of models based on the current search/filter conditions.
     * @return CActiveDataProvider the data provider that can return the models based on the search/filter conditions.
     */
    public function search() {
        // Warning: Please modify the following code to remove attributes that
        // should not be searched.

        $criteria = new CDbCriteria;

        $criteria->compare('ID_USO', $this->ID_USO);

        $criteria->compare('TX_DESCRICAO', $this->TX_DESCRICAO, true);
        
        $criteria->order = 'TX_DESCRICAO';

        return new CActiveDataProvider('Uso', array(
            'criteria' => $criteria,
        ));
    }

   
}